Hardware Spec Index

Zephyra PW-3839 Plus 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW3839-PLUS · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index770 (Power Supplies scale)
Category rank#47,660
Street price$39
Power550 W (rated)
Performance per dollar19.74
Released2023

Specifications

BrandZephyra
ModelZephyra PW-3839 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-7294 Plus 1000W 80 PLUS Gold ATX Power Supply2,615$259Compare
Vantrel PW-9817 Max 1000W 80 PLUS Gold ATX Power Supply1,659$119Compare
Zephyra PW-8485 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,038$159Compare
Caldera PW-3409 Edge 650W 80 PLUS Bronze ATX 3.1 Power Supply826$39Compare
Novexa PW-9152 Edge 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,201$209Compare
Vantrel PW-3538 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply2,316$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3839 Plus 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/87635193 (accessed 2026-10-24).